Home / 4,785,469.08-7,161,341.58-2,989,198.50

Finding the Fourth Proportional to 4,785,469.08, 7,161,341.58 and 2,989,198.50

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Solution

The fourth proportional to 4,785,469.08, 7,161,341.58 and 2,989,198.50 is: 4,473,265.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,469.08 : 7,161,341.58 = 2,989,198.50 : x
  2. Step 2: Convert to fraction form
    4,785,469.08/7,161,341.58 = 2,989,198.50/x
  3. Step 3: Cross multiply
    4,785,469.08x = 7,161,341.58 × 2,989,198.50
  4. Step 4: Simplify right side
    4,785,469.08x = 21,406,671,508,923.63
  5. Step 5: Solve for x
    x = 21,406,671,508,923.63/4,785,469.08
  6. Step 6: Final answer
    x = 4,473,265.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.